Before taking triamterene and hydrochlorothiazide,
tell your doctor and pharmacist if you are allergic to triamterene, hydrochlorothiazide, sulfonamide-derived medications ('sulfa drugs'), any other medications, or any ingredients in triamterene and hydrochlorothiazide capsules or tablets. Ask your pharmacist or check the patient information for a list of the ingredients.
do not take triamterene and hydrochlorothiazide if you are taking amiloride (Midamor), spironolactone (Aldactone, in Aldactazide), or other medications containing triamterene. Your doctor will probably tell you not to take triamterene and hydrochlorothiazide if you are taking one of these medications.
tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: amphotericin B (Abelcet, Ambisome, Amphotec); angiotensin-converting enzyme (ACE) inhibitors such as benazepril (Lotensin, in Lotrel), captopril (Capoten), enalapril (Vasotec, Vaseretic), fosinopril, lisinopril (in Prinzide, in Zestoretic), moexipril (Univasc, in Uniretic), perindopril (Aceon), quinapril (Accupril, in Accuretic), ramipril (Altace), and trandolapril (Mavik, in Tarka); anticoagulants ('blood thinners') such as warfarin (Coumadin, Jantoven); barbiturates such as phenobarbital; corticosteroids such as betamethasone (Celestone), budesonide (Entocort), cortisone (Cortone), dexamethasone (Decadron, Dexpak, Dexasone, others), fludrocortisone (Floriner), hydrocortisone (Cortef, Hydrocortone), methylprednisolone (Medrol, Meprolone, others), prednisolone (Prelone, others), prednisone (Rayos), and triamcinolone (Aristocort, Azmacort); corticotropin (ACTH, H.P., Acthar Gel); digoxin (Lanoxin); laxatives; lithium (Lithobid); medications for diabetes, gout, or high blood pressure; methenamine (Hiprex, Urex); narcotic pain relievers; nonsteroidal anti-inflammatory medications (NSAIDs) such as ibuprofen (Advil, Motrin) and naproxen (Aleve, Naprosyn); oral steroids such as dexamethasone , methylprednisolone (Medrol), and prednisone (Rayos); and potassium supplements or potassium-containing medication supplements. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
tell your doctor if you have kidney disease or high blood levels of potassium. Your doctor may tell you not to take triamterene and hydrochlorothiazide.
tell your doctor if you have or have ever had kidney stones, systemic lupus erythematosus (SLE, a chronic inflammatory condition), diabetes, gout, or thyroid, heart, or liver disease.
tell your doctor if you are pregnant or plan to become pregnant. Do not breastfeed if you are taking triamterene and hydrochlorothiazide. If you become pregnant while taking triamterene and hydrochlorothiazide, call your doctor.
if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking triamterene and hydrochlorothiazide.
plan to avoid unnecessary or prolonged exposure to sunlight and to wear protective clothing, sunglasses, and sunscreen. Triamterene and hydrochlorothiazide may make your skin sensitive to sunlight.
you should know that triamterene and hydrochlorothiazide may cause dizziness, lightheadedness, and fainting when you get up too quickly from a lying position. This is more common when you first start taking triamterene and hydrochlorothiazide. To avoid this problem, get out of bed slowly, resting your feet on the floor for a few minutes before standing up. Alcohol can add to these side effects.